18158-1554 RST 4005 (HD 167431)
18h 15m 50.62s -15° 53' 58.9" P.A. 313.00 sep 0.4 mag 10.15,10.05 Sp B5Ib/II
| Coord 2000 |
18158-1554 |
|
Discov num |
RST4005 |
|
Comp |
|
|
Coord arcsec 2000 |
18 15 50.62 -15 53 58.9 |
|
| Date first |
1937 |
|
Date last |
1991 |
|
Obs |
3 |
|
| Pa first |
310 |
|
Pa last |
312.9 |
|
P.A. Now (θ) |
312.9° |
|
| Sep first |
1.0 |
|
Sep last |
0.44 |
|
Sep. Now (ρ) |
0.44" |
|
| Mag pri |
10.15 |
|
Mag sec |
10.05 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
B5Ib/II (blue-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 167431 |
|
Constellation |
Serpens |
|
SAO |
161232 |
|
Tycho2 |
6264-00297-1 |
|
| Gaia DR2 |
4145741990195505152 |
|
HD |
167431 |
|
